Math, asked by arunkumarmishra323, 2 months ago

factorise ab²–(a–1)b–1

Answers

Answered by mazharmr01

1

Answer:

Sol;

ab^2- ab +b - 1

= ab² - ab +b - 1

= ab ( b - 1) + 1(b-1)

= (ab+1)(b-1)

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